Rubritalea spongiae sp. nov. and Rubritalea tangerina sp. nov., two carotenoid- and squalene-producing marine bacteria of the family Verrucomicrobiaceae within the phylum ‘Verrucomicrobia’, isolated from marine animals

2007 ◽  
Vol 57 (10) ◽  
pp. 2337-2343 ◽  
Author(s):  
Jaewoo Yoon ◽  
Yoshihide Matsuo ◽  
Satoru Matsuda ◽  
Kyoko Adachi ◽  
Hiroaki Kasai ◽  
...  

Two Gram-negative, non-motile, coccoid or rod-shaped, chemoheterotrophic bacteria designated strains YM21-132T and YM27-005T were isolated from marine animals, and were subjected to a polyphasic taxonomic examination. Phylogenetic analyses based on 16S rRNA gene sequences indicated that the two isolates belong to the genus Rubritalea of the phylum ‘Verrucomicrobia’ (subdivision 1). The novel isolates shared approximately 97–98 % sequence similarity with each other and showed 93–97 % similarity with Rubritalea species of the family Verrucomicrobiaceae. The level of DNA–DNA relatedness between strains YM21-132T and YM27-005T was less than 70 %, which is accepted as the phylogenetic definition of a species. Both strains produced reddish carotenoid pigments and squalene. The cell wall peptidoglycan of both strains contained muramic acid and meso-diaminopimelic acid. The G+C contents of the genomic DNA were 48.0 mol% (strain YM21-132T) and 50.3 mol% (strain YM27-005T). The presence of MK-8 and MK-9 as the major isoprenoid quinones, and iso-C14 : 0, iso-C16 : 0 and C16 : 1 ω7c as the major cellular fatty acids supported the identification of the two novel strains as members of the genus Rubritalea. On the basis of polyphasic taxonomic studies, it was concluded that these strains should be classified as representing two novel, separate species in the genus Rubritalea within the phylum ‘Verrucomicrobia’, for which the names Rubritalea spongiae sp. nov. (type strain YM21-132T=MBIC08281T=KCTC 12906T) and Rubritalea tangerina sp. nov. (type strain YM27-005T=MBIC08282T=KCTC 12907T) are proposed.

2005 ◽  
Vol 55 (2) ◽  
pp. 949-953 ◽  
Author(s):  
Pei-Gen Ren ◽  
Pei-Jin Zhou

Three Gram-positive, moderately halophilic, heterotrophic bacterial strains were isolated from a neutral saline lake in the Xin-Jiang area of China. The strains, designated 8-2T, W11-1 and 25-7T, were motile, spore-forming, aerobic rods and contained meso-diaminopimelic acid in their cell walls. Their DNA G+C contents were 37·4, 37·2 and 39·9 mol%, respectively. The main fatty acids in the cellular membranes of these novel strains were C15 and C17 methyl-branched. No species with validly published names showed 16S rRNA gene sequence similarity of more than 95 % with respect to these novel isolates; the most closely related species was a halophilic denitrifier, Bacillus halodenitrificans (94·6 %). Polyphasic taxonomic studies revealed that these strains belong to the Bacillaceae and are distantly related to other genera of the family. It is proposed that a new genus, Salinibacillus, should be created, with Salinibacillus aidingensis (type strain, 25-7T=AS 1.3565T=JCM 12389T) as the type species. Another species, Salinibacillus kushneri, is also proposed, with 8-2T (=AS 1.3566T=JCM 12390T) as the type strain.


2015 ◽  
Vol 65 (Pt_7) ◽  
pp. 2241-2247 ◽  
Author(s):  
Judy Kolberg ◽  
Hans-Jürgen Busse ◽  
Thomas Wilke ◽  
Patrick Schubert ◽  
Peter Kämpfer ◽  
...  

An orange-pigmented, Gram-staining-negative, rod-shaped bacterium, designated 96_Hippo_TS_3/13T was isolated from the brood pouch of a diseased seahorse male of the species Hippocampus barbouri from the animal facility of the University of Giessen, Germany. Phylogenetic analyses based on the nearly full-length 16S rRNA gene sequence placed strain 96_Hippo_TS_3/13T into the monophyletic cluster of the genus Mesonia within the family Flavobacteriaceae. However, the strain shared only 92.2–93.8 % sequence similarity to type strains of species of the genus Mesonia, with highest sequence similarity to the type strain of Mesonia aquimarina. Cellular fatty acid analysis showed a Mesonia-typical fatty acid profile including several branched and hydroxyl fatty acids with highest amounts of iso-C15 : 0 (40.9 %) followed by iso-C17 : 0 3-OH (14.8 %). In the polyamine pattern, sym-homospermidine was predominant. The diagnostic diamino acid of the peptidoglycan was meso-diaminopimelic acid. The quinone system contained exclusively menaquinone MK-6. The only identified compound in the polar lipid profile was phosphatidylethanolamine present in major amounts. Additionally, major amounts of an unidentified aminolipid and two unidentified lipids not containing a phosphate group, an amino group or a sugar residue were detected. The genomic G+C content of strain 96_Hippo_TS_3/13T was 30 mol%. Based on genotypic, chemotaxonomic and physiological characterizations we propose a novel species of the genus Mesonia, Mesonia hippocampi sp. nov., with strain 96_Hippo_TS_3/13T ( = CIP 110839T =  LMG 28572T = CCM 8557T) as the type strain. An emended description of the genus Mesonia is also provided.


Author(s):  
Fenfa Li ◽  
Qingyi Xie ◽  
Shuangqing Zhou ◽  
Fandong Kong ◽  
Yun Xu ◽  
...  

Strain HNM0947T, representing a novel actinobacterium, was isolated from the coral Galaxea astreata collected from the coast of Wenchang, Hainan, China. The strain was found to have morphological and chemotaxonomic characteristics consistent with the genus Nocardiopsis . The organism formed abundant fragmented substrate mycelia and aerial mycelia which differentiated into non-motile, rod-shaped spores. Whole-cell hydrolysates contained meso-diaminopimelic acid and no diagnostic sugars. The major menaquinones were MK-10(H8), MK-10(H6) and MK-10(H4). The major phospholipids were phosphatidylcholine, phosphatidylglycerol, phosphatidylinositol and phosphatidylinositol mannosides. The major fatty acids were iso-C16:0, anteiso-C17:0, C18:0, C18:0 10-methyl (TBSA) and anteiso-C15:0. The G+C content was 71.3 mol%. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain HNM0947T belonged to the genus Nocardiopsis and shared highest sequence similarity to Nocardiopsis salina YIM 90010T (98.8%), Nocardiopsis xinjiangensis YIM 90004T(98.5%) and Nocardiopsis kunsanensis DSM 44524T (98.3%). The strain HNM0947T was distinguished from its closest type strain by low average nucleotide identity (90.8%) and dDDH values (60.4%) respectively. Based on genotypic, chemotaxonomic and phenotypic characteristics, it was concluded that strain HNM0947T represents a novel species of the genus Nocardiopsis whose name was proposed as Nocardiopsis coralli sp. nov. The type strain was HNM0947T (=CCTCC AA 2020015 T=KCTC 49525 T).


2007 ◽  
Vol 57 (4) ◽  
pp. 687-691 ◽  
Author(s):  
Ying-Shun Cui ◽  
Wan-Taek Im ◽  
Cheng-Ri Yin ◽  
Jung-Sook Lee ◽  
Keun Chul Lee ◽  
...  

A Gram-positive, rod-shaped, non-spore-forming and strictly aerobic bacterium (Gsoil 161T) was isolated from soil of a ginseng field in Pocheon Province, South Korea. The novel isolate was characterized using a polyphasic approach in order to determine its taxonomic position. On the basis of 16S rRNA gene sequence similarity, strain Gsoil 161T was shown to belong to the family Nocardioidaceae and was related to Aeromicrobium marinum (98.0 % similarity to the type strain), Aeromicrobium alkaliterrae (97.6 %), Aeromicrobium fastidiosum (97.0 %) and Aeromicrobium erythreum (96.7 %); the sequence similarity with other species within the family was less than 94.4 %. It was characterized chemotaxonomically as having ll-2,6-diaminopimelic acid in the cell-wall peptidoglycan, MK-9(H4) as the predominant menaquinone and C16 : 0, 10-methyl C18 : 0 (tuberculostearic acid), C16 : 0 2-OH, 10-methyl C17 : 0 and 10-methyl-C16 : 0 as the major fatty acids. The G+C content of the genomic DNA was 65.5 mol%. These chemotaxonomic properties and phenotypic characteristics support the affiliation of strain Gsoil 161T to the genus Aeromicrobium. Results of physiological and biochemical tests enabled strain Gsoil 161T to be differentiated genotypically and phenotypically from currently known Aeromicrobium species. Therefore, strain Gsoil 161T represents a novel species, for which the name Aeromicrobium panaciterrae sp. nov. is proposed. The type strain is strain Gsoil 161T (=KCTC 19131T=DSM 17939T=CCUG 52476T).


2007 ◽  
Vol 57 (12) ◽  
pp. 2874-2880 ◽  
Author(s):  
Jaewoo Yoon ◽  
Naoya Oku ◽  
Satoru Matsuda ◽  
Hiroaki Kasai ◽  
Akira Yokota

An obligately aerobic, spherical, non-motile, pale-yellow pigmented bacterium was isolated from a piece of leaf of seagrass, Enhalus acoroides (L.f.) Royle, grown in Okinawa, Japan and was subjected to a polyphasic taxonomic study. Phylogenetic analyses based on 16S rRNA gene sequences revealed that the novel isolate N5FB36-5T shared approximately 96–98 % sequence similarity with the species of the genus Pelagicoccus of the family Puniceicoccaceae within the phylum ‘Verrucomicrobia’. The DNA–DNA relatedness values of strain N5FB36-5T with Pelagicoccus mobilis 02PA-Ca-133T and Pelagicoccus albus YM14-201T were below 70 %, which is accepted as the phylogenetic definition of a novel species. β-Lactam antibiotic susceptibility test and amino acid analysis of the cell wall hydrolysates indicated the absence of muramic acid and diaminopimelic acid in the cell walls, which suggested that this strain lacks an ordinary Gram-negative type of peptidoglycan in the cell wall. The DNA G+C content of strain N5FB36-5T was 51.6 mol%; MK-7 was the major menaquinone; and the presence of C16 : 0, C16 : 1 ω7c and anteiso-C15 : 0 as the major cellular fatty acids supported the identification of the novel isolate as a member of the genus Pelagicoccus. On the basis of polyphasic taxonomic data, it was concluded that this strain should be classified as a novel species of the genus Pelagicoccus, for which the name Pelagicoccus croceus sp. nov. is proposed. The type strain is N5FB36-5T (=MBIC08282T=KCTC 12903T).


2014 ◽  
Vol 64 (Pt_12) ◽  
pp. 4016-4020 ◽  
Author(s):  
Maki Teramoto ◽  
Miyuki Nishijima

A Gram-stain-negative, non-motile, mesophilic, aerobic, rod-shaped bacterium, designated strain 2-3T, was isolated from surface seawater at Muroto city, Kochi prefecture, Japan. This strain grew well with starch. Phylogenetic analyses based on 16S rRNA gene sequences showed that the strain fell within the family Rhodobacteraceae and that the strain was related most closely to the genus Pacificibacter (94.0 % sequence similarity to the type strain). The DNA G+C content was 52.4 mol%. The major fatty acids were C18 : 1ω7c, C14 : 0 and C16 : 0. The major polar lipids were phosphatidylglycerol, phosphatidylethanolamine, phosphatidylcholine, one unidentified lipid, one unidentified aminolipid and one unidentified phospholipid. The major isoprenoid quinone was Q-10. Strain 2-3T did not grow at 4 or 35 °C, while the type strain of the type species of the genus Pacificibacter grows at both temperatures. From the taxonomic data obtained in this study, it is proposed that strain 2-3T be placed into a novel genus and species named Amylibacter marinus gen. nov., sp. nov. in the family Rhodobacteraceae . The type strain of Amylibacter marinus is 2-3T ( = NBRC 110140T = LMG 28364T).


2012 ◽  
Vol 62 (Pt_3) ◽  
pp. 591-595 ◽  
Author(s):  
Sang-Hee Lee ◽  
Qing-Mei Liu ◽  
Sung-Taik Lee ◽  
Sun-Chang Kim ◽  
Wan-Taek Im

A Gram-reaction-positive, rod-shaped, non-motile, non-spore-forming bacterium (strain BX5-10T) was isolated from the soil of a ginseng field on Baekdu Mountain in Jilin district, China. The taxonomic position of this bacterium was determined in an investigation based on a polyphasic approach. On the basis of 16S rRNA gene sequence analysis, strain BX5-10T was shown to belong to the family Nocardioidaceae and to be most closely related to Nocardioides plantarum NCIMB 12834T (96.5 % sequence similarity), Nocardioides dokdonensis KCTC 19309T (96.2 %) and Nocardioides fonticola NAA-13T (95.1 %). Strain BX5-10T was characterized chemotaxonomically as having ll-2,6-diaminopimelic acid in its cell-wall peptidoglycan, MK-8(H4) as the predominant menaquinone and C18 : 1ω9c, C16 : 0 and C17 : 1ω8c as its major fatty acids. The G+C content of the genomic DNA was 70.3 mol%. The novel strain could be differentiated genotypically and phenotypically from all recognized species of the genus Nocardioides. Based on the results of the phylogenetic analyses and the genotypic and phenotypic data, a novel species, Nocardioides ginsengagri sp. nov., is proposed. The type strain is BX5-10T ( = KCTC 19467T = DSM 21362T).


2005 ◽  
Vol 55 (5) ◽  
pp. 1833-1837 ◽  
Author(s):  
Jung-Hoon Yoon ◽  
So-Jung Kang ◽  
Soo-Young Lee ◽  
Mi-Hwa Lee ◽  
Tae-Kwang Oh

A Gram-variable, motile, endospore-forming, slightly halophilic bacterial strain, DSW-10T, was isolated from Dokdo, an island located at the edge of the East Sea, Korea, and was characterized taxonomically by using a polyphasic approach. This isolate grew optimally at 37 °C and in the presence of 4–5 % NaCl. Strain DSW-10T had cell-wall peptidoglycan based on meso-diaminopimelic acid, MK-7 as the predominant menaquinone, and anteiso-C15 : 0, iso-C15 : 0, anteiso-C17 : 0 and iso-C16 : 0 as major fatty acids. Major polar lipids were diphosphatidylglycerol, phosphatidylglycerol, phosphatidylethanolamine and unidentified phospholipids. The DNA G+C content was 36·7 mol%. Phylogenetic analyses based on 16S rRNA gene sequences showed that strain DSW-10T is phylogenetically affiliated to the genus Virgibacillus, and exhibited sequence similarity of 95·3–98·7 % to the type strains of Virgibacillus species. DNA–DNA relatedness levels between strain DSW-10T and the type strains of some phylogenetically related Virgibacillus species were in the range 8·4–17·5 %. On the basis of phenotypic properties and phylogenetic and genetic distinctiveness, strain DSW-10T (=KCTC 3933T=DSM 16826T) was classified as the type strain of a novel Virgibacillus species, for which the name Virgibacillus dokdonensis sp. nov. is proposed.


2015 ◽  
Vol 65 (Pt_10) ◽  
pp. 3248-3255 ◽  
Author(s):  
Ashish Verma ◽  
Poonam Mual ◽  
Shanmugam Mayilraj ◽  
Srinivasan Krishnamurthi

Two novel Gram-stain-negative, slow-growing, halotolerant strains with rod-shaped cells, designated as strains Mi-7T and Mi-8, which formed pin-point colonies on halophilic media were isolated during a study into the microbial diversity of a salt pan in the state of Tamilnadu, India. Both the strains had an obligate requirement for 1 % (w/v) NaCl for growth and were halotolerant, growing at NaCl concentrations of up to 20 % (w/v) in media. The strains, however, showed an inability to utilize the majority of substrates tested as sole carbon sources for growth and in fermentation reactions. Molecular phylogenetic analyses, based on 16S rRNA gene sequence revealed their closest phylogenetic neighbours to be members of the genus Marinobacter, with whom they showed the highest sequence similarity of 93.6 % and even less with the type strain of the type species, Marinobacter hydrocarbonoclasticus DSM 8798T (91.1 %). Similarities with other genera within the family Alteromonadaceae were below 91.0 %. However, the two strains were very closely related to each other with 99.9 % sequence similarity, and DNA–DNA hybridization analyses confirmed their placement in the same species. The DNA G+C content of both strains was 65 mol%. Using the polyphasic taxonomic data obtained from this study, strains Mi-7T and Mi-8 represent two strains of the same species of a novel genus for which the name Tamilnaduibacter salinus gen. nov., sp. nov., is proposed; the type strain of the novel species is Mi-7T ( = MTCC 12009T = DSM 28688T).


2010 ◽  
Vol 60 (7) ◽  
pp. 1554-1558 ◽  
Author(s):  
Rangasamy Anandham ◽  
Hang-Yeon Weon ◽  
Soo-Jin Kim ◽  
Yi-Seul Kim ◽  
Soon-Wo Kwon

A strictly aerobic, Gram-staining-negative, oxidase- and catalase-positive, non-motile, rod-shaped bacterium, designated strain 5416T-29T, was isolated from air and was characterized by using a polyphasic approach. Colonies were reddish pink and circular with entire margins. Flexirubin-type pigments were absent. The strain formed a distinct phylogenetic lineage within the family Cytophagaceae of the phylum Bacteroidetes. Strain 5416T-29T did not show more than 88 % 16S rRNA gene sequence similarity to the type strain of any recognized species. The major cellular fatty acids were C16 : 1 ω5c, iso-C17 : 0 3-OH and iso-C15 : 0. The polar lipids were phosphatidylethanolamine, one unknown amino lipid and several unknown polar lipids. Menaquinone-7 (MK-7) was the major respiratory quinone. The G+C content of the DNA of strain 5416T-29T was 45.5 mol%. Results of phenotypic and phylogenetic analyses clearly indicate that strain 5416T-29T represents a novel species of a new genus in the family Cytophagaceae, for which the name Rhodocytophaga aerolata gen. nov., sp. nov. is proposed. The type strain of Rhodocytophaga aerolata is 5416T-29T (=KACC 12507T =DSM 22190T).


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